Biotin

Biotin, also known as vitamin B7, is a water-soluble B vitamin that plays a key role in helping the body convert food into energy. It is commonly used in supplements to support healthy hair, skin, and nails, and for its involvement in the metabolism of carbohydrates, fats, and proteins.

Ingredient Guide

Biotin Supplement Ingredient Guide

What it is: Biotin is a water-soluble B vitamin, also called vitamin B7 or vitamin H, needed by the body for normal metabolism and cellular function.
What it does: Biotin functions as a coenzyme, supporting enzymes that metabolize carbohydrates, fats, and amino acids into energy, and is linked to the maintenance of healthy hair, skin, and nails.
How it is used: Biotin is often included in supplements targeted at hair, skin, and nail health, as well as energy and metabolism support formulas.
Natural sources and supplement forms: Biotin naturally occurs in foods like eggs, nuts, seeds, fish, liver, and whole grains. Supplements commonly provide biotin as D-biotin in tablets, capsules, gummies, or powders.
Why it appears in supplement formulas: Biotin is added to formulas to help promote normal energy metabolism and support visible benefits for hair, skin, and nail health, especially for individuals with low or restricted dietary intake.
What to know before use: While biotin is considered safe at recommended doses, high intake may interfere with laboratory test results, so users undergoing lab tests should inform their healthcare provider.
Interesting Fact

Biotin: The B Vitamin Secretly Found in Eggs and Nuts

Biotin, also known as vitamin B7, is a vital nutrient your body uses to help convert food into energy. It naturally occurs in everyday foods like eggs, nuts, and whole grains. Since it's water-soluble and not stored in large amounts, getting enough biotin from your diet—or a supplement—helps support the body’s ongoing metabolism of carbohydrates, fats, and proteins every day.

Related Supplements

Supplements with Biotin.

FAQ

Frequently Asked Questions About Biotin

What are common natural food sources of biotin?

Biotin is naturally found in a variety of foods including eggs (especially the yolk), nuts, seeds, liver, fish, whole grains, and some vegetables like sweet potatoes and spinach. Regularly eating a balanced diet containing these foods typically provides sufficient biotin for most people.

How does biotin support hair, skin, and nail health?

Biotin functions as a coenzyme that aids in the metabolism of amino acids, which are the building blocks for keratin—a key structural protein in hair, skin, and nails. Adequate biotin intake supports the body’s ability to maintain healthy keratin production, which is why it's often included in beauty supplements.

Can biotin supplements interfere with lab test results?

High doses of biotin supplements can interfere with certain laboratory tests, such as thyroid function or hormone tests, by causing inaccurate results. If you use biotin supplements and need lab work, inform your healthcare provider so they can recommend appropriate precautions or timing for accurate testing.

What forms does biotin typically come in for supplements?

Biotin is most commonly available in supplement form as D-biotin, the naturally occurring and biologically active form. It can be found as standalone tablets, capsules, powders, or gummies, and is also a frequent ingredient in multivitamins and hair, skin, and nail formulas.

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